Double-sided timing belts are classified based on their tooth profile and pitch measurement.
Classical Trapezoidal Double-Sided Timing Belts
| Belt Type | Pitch (inches) | Pitch (mm) | Common Applications |
|---|---|---|---|
| DXL | 0.200″ | 5.08 mm | Small machines, textile equipment |
| DL | 0.375″ | 9.525 mm | Light-duty automation |
| DH | 0.500″ | 12.7 mm | Industrial applications |
| DXH | 0.875″ | 22.225 mm | Heavy-duty industrial machinery |
| DXXH | 1.250″ | 31.75 mm | Mining, large conveyors |
Example: DL 2000 means:
- DL section (double-sided L-type belt).
- 2000 mm pitch length.
High Torque Drive (HTD) & Super Torque Drive (STD) Double-Sided Belts
These belts have curvilinear teeth, offering higher torque transmission and improved load distribution.
| Belt Type | Pitch (mm) | Tooth Shape | Common Applications |
|---|---|---|---|
| D3M | 3 mm | Curved | Robotics, medical devices |
| D5M | 5 mm | Curved | Power tools, CNC, automation |
| D8M | 8 mm | Curved | Conveyor systems, heavy machinery |
| D14M | 14 mm | Curved | Large-scale industrial automation |
| D5M | 5 mm | Modified curvilinear | Precision applications |
| D8M | 8 mm | Modified curvilinear | High-performance automation |
Example: D 8M 1200 means:
- Double-sided HTD belt.
- 8M pitch (8 mm between teeth).
- 1200 mm pitch length.
FEATURES
- Belts have nylon facing on both tooth surfaces providing equal load carrying capabilities on either side of belt.
- Belt capacity is equal to standard single-sided belts.
- Fiberglass tensile cord provides high strength, excellent flex life, and high resistance to elongation.
- Neoprene body provides protection against grime, grease, oil, and moisture.
- Nylon tooth facing provides a durable wear surface for long service life.
- Quieter than roller chain drives and eliminates lubrication and re-tensioning to reduce maintenance and labor.
